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Red Hat Enterprise Linux 5 Advisory: RHSA-2014:0369-01 Moderate Httpd DoS

red hat
Calendar Grey April 3, 2014
Dist Redhat Esm H88
Revamped nginx modules mitigate three risk factors for CentOS 7, ensuring enhanced protection for your infrastructure.
Updated httpd packages that fix two security issues are now available for Red Hat Enterprise Linux 5

Solution

Before applying this update, make sure all previously released errata relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/site/articles/11258

Summary

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.
It was found that the mod_dav module did not correctly strip leading white space from certain elements in a parsed XML. In certain httpd configurations that use the mod_dav module (for example when using the mod_dav_svn module), a remote attacker could send a specially crafted DAV request that would cause the httpd child process to crash or, possibly, allow the attacker to execute arbitrary code with the privileges of the "apache" user. (CVE-2013-6438)
A buffer over-read flaw was found in the httpd mod_log_config module. In configurations where cookie logging is enabled (on Red Hat Enterprise Linux it is disabled by default), a remote attacker could use this flaw to crash the httpd child process via an HTTP request with a malformed cookie header. (CVE-2014-0098)
All httpd users are advised to upgrade to these updated packages, which contain backported patches to correct these issues. After installing the updated packages, the httpd daemon will be restarted automatically.

Topics%20covered

Topics Covered

security advisory moderate security issue apache DoS Red Hat Enterprise Linux httpd

References

https://access.redhat.com/security/cve/CVE-2013-6438 https://access.redhat.com/security/cve/CVE-2014-0098 https://access.redhat.com/security/updates/classification#moderate

Package List

Red Hat Enterprise Linux Desktop (v. 5 client):
Source:
i386: httpd-2.2.3-85.el5_10.i386.rpm httpd-debuginfo-2.2.3-85.el5_10.i386.rpm mod_ssl-2.2.3-85.el5_10.i386.rpm
x86_64: httpd-2.2.3-85.el5_10.x86_64.rpm httpd-debuginfo-2.2.3-85.el5_10.x86_64.rpm mod_ssl-2.2.3-85.el5_10.x86_64.rpm
RHEL Desktop Workstation (v. 5 client):
Source:
i386: httpd-debuginfo-2.2.3-85.el5_10.i386.rpm httpd-devel-2.2.3-85.el5_10.i386.rpm httpd-manual-2.2.3-85.el5_10.i386.rpm
x86_64: httpd-debuginfo-2.2.3-85.el5_10.i386.rpm httpd-debuginfo-2.2.3-85.el5_10.x86_64.rpm httpd-devel-2.2.3-85.el5_10.i386.rpm httpd-devel-2.2.3-85.el5_10.x86_64.rpm httpd-manual-2.2.3-85.el5_10.x86_64.rpm
Red Hat Enterprise Linux (v. 5 server):
Source:
i386: httpd-2.2.3-85.el5_10.i386.rpm httpd-debuginfo-2.2.3-85.el5_10.i386.rpm httpd-devel-2.2.3-85.el5_10.i386.rpm httpd-manual-2.2.3-85.el5_10.i386.rpm mod_ssl-2.2.3-85.el5_10.i386.rpm
ia64: httpd-2.2.3-85.el5_10.ia64.rpm httpd-debuginfo-2.2.3-85.el5_10.ia64.rpm httpd-devel-2.2.3-85.el5_10.ia64.rpm httpd-manual-2.2.3-85.el5_10.ia64.rpm mod_ssl-2.2.3-85.el5_10.ia64.rpm
ppc: httpd-2.2.3-85.el5_10.ppc.rpm httpd-debuginfo-2.2.3-85.el5_10.ppc.rpm httpd-debuginfo-2.2.3-85.el5_10.ppc64.rpm httpd-devel-2.2.3-85.el5_10.ppc.rpm httpd-devel-2.2.3-85.el5_10.ppc64.rpm

Read the Full Advisory


Advisory ID: RHSA-2014:0369-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2014:0369.html
Issue date: 2014-04-03

Topic

Updated httpd packages that fix two security issues are now available forRed Hat Enterprise Linux 5.The Red Hat Security Response Team has rated this update as having Moderatesecurity impact. Common Vulnerability Scoring System (CVSS) base scores,which give detailed severity ratings, are available for each vulnerabilityfrom the CVE links in the References section.

Topics%20covered

Topics Covered

security advisory moderate security issue apache DoS Red Hat Enterprise Linux httpd

Relevant Releases Architectures

RHEL Desktop Workstation (v. 5 client) - i386, x86_64

Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64

Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64

Bugs Fixed

1077867 - CVE-2013-6438 httpd: mod_dav denial of service via crafted DAV WRITE request

1077871 - CVE-2014-0098 httpd: mod_log_config does not properly handle logging certain cookies resulting in DoS

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